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An Equation on Definitive Range of the Light Wavelength in Planck Formula
Author(s): CHEN Guang-sheng, LU Wen-quan, CAI Ru-hua, DING Xuan-hao
Pages: 194-
195,202
Year: 2006
Issue:
3
Journal: GUANGXI SCIENCES
Keyword: 普朗克公式; 光波长; 定义域方程; 计算精度因子;
Abstract: 引进一个计算精度因子n,导出普朗克公式eb(λ,T)=C1/λ5(eC2/λT-1)-1中光波长λ的定义域方程为10nx5j-21.2014exj+21.2014=0.利用该光波长的定义域方程取计算精度因子n=6,计算出温度为200K时的长波长界是1050.986μm,温度为6000K时的短波长界为87.855nm.说明在大多数工程实践可能涉及的温度范围内,当计算精度为百万分之一时,普朗克公式中光波长的定义域即是87.855nm到1050.986μm.
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